(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

Base Information

Chemical Name:(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat
CAS No.:136749-48-9
Molecular Formula:C₁₇H₁₆O₅
Molecular Weight:300.311
Hs Code.:

Synonyms:(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

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Chemical Property of (1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

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Technology Process of (1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

There total 5 articles about (1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 27.0%

: 100-52-7
benzaldehyde

: 136749-45-6
(+)-(S)-methyl 3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate

: 136749-48-9
(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

: 136749-47-8
(1S,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

Guidance literature:: With hydrogenchloride; In methanol; for 14h; Yield given. Title compound not separated from byproducts; Heating;

Reference yield:

: 32404-28-7
(S)-3-(3-acetyl-4-hydroxyphenyl)-2-aminopropanoic acid hydrochloride

: 136749-48-9
(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

Guidance literature:: Multi-step reaction with 5 steps

1: NaNO₂ / H₂O / 24 h / Ambient temperature

2: CHCl₃ / 12 h / Heating; strongly acidic ion exchanger

3: 5 N NaOH, 30percent H₂O₂ / H₂O / 0.5 h / 40 °C

4: HCl-gas / 12 h / Heating

5: 37percent HCl / methanol / 14 h / Heating

With hydrogenchloride; sodium hydroxide; dihydrogen peroxide; sodium nitrite; In methanol; chloroform; water;

Reference yield:

: 42085-50-7
(2S)-3-(3,4-dihydroxyphenyl)-2-hydroxypropionic acid

: 136749-48-9
(1R,3S)-Methyl-3,4-dihydro-6,7-dihydroxy-1-phenyl-1H-2-benzopyran-3-carboxylat

Guidance literature:: Multi-step reaction with 2 steps

1: HCl-gas / 12 h / Heating

2: 37percent HCl / methanol / 14 h / Heating

With hydrogenchloride; In methanol;